Answer :
Use Commutative Property: a + b = b + a
and Associative Property: (a + b) + c = a + (b + c)
34 + 0 + 18 +26 = (34 + 26) + 18 = 60 + 18 = 78
and Associative Property: (a + b) + c = a + (b + c)
34 + 0 + 18 +26 = (34 + 26) + 18 = 60 + 18 = 78
